Gotham City Impostors

Complete the Initiation mission.

Kill 50 enemy players using the panic-slap melee attack.

Accept your first Promotion.

Complete all feats related to a particular gadget or support item.

Earn 50 gold medals in Challenge mode.

Earn a 10-kill streak.

Finish one match of Gotham City Impostors.

Become a Nemesis 50 times.

Unlock any locked loadout or costume item.

Complete all feats related to a particular weapon.

Turn the tables in Fumigation when the enemy team's victory is imminent.

Win each game mode in Ace Chemical, Amusement Mile, Crime Alley, Gotham Power and The Docks.